blocking 465 connections to mail server for specific IP address without using fail2ban

[Andrew McGlashan <andrew.mcglashan@affinityvision.com.au>]

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Hi,

I've blacklisted quite a number of IP addresses and CIDR blocks from
delivering email to my server with entries in the
/etc/exim4/local_host_blacklist file.

Is there any config file that I can easily use to block 465 login
attempts from bad IP addresses and CIDR blocks?

If there is no simple config file, what can I do without resorting to
use of fail2ban so that I can use a curated list of blocked IP
addresses.  I'm not sure I want to use iptables for this either.

I /may/ end up blocking the IPs at the firewall (OPN Sense) level yet.

- -- 
Kind Regards
AndrewM

Andrew McGlashan
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